Analysis
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max time kernel
285s -
max time network
292s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
30-05-2023 04:35
Behavioral task
behavioral1
Sample
About/About.pdf
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
About/About.pdf
Resource
win10v2004-20230220-en
Behavioral task
behavioral3
Sample
UpdatePack-KB971033-x64.exe
Resource
win7-20230220-en
Behavioral task
behavioral4
Sample
UpdatePack-KB971033-x64.exe
Resource
win10v2004-20230220-en
General
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Target
UpdatePack-KB971033-x64.exe
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Size
656.4MB
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MD5
70e0aff711faae8f8d22bd77a6360985
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SHA1
6a9a40557c9491f453f10bf4cced5acfb9b42149
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SHA256
1faa0a86d8c56f85c46e1790c28d3c382ba4de6c7a6c8a0187f38fa52ee3c60d
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SHA512
8437b22e9f3f41cb92c19756bd0d7678245d38237eed682a97ff2f434977df6195712396f26480677a97fc29d3b5bbf789d5e40b5769d732df1f1fea025b2e34
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SSDEEP
6144:lMkSD+z3hVyHzDDzYepZZMSohQL6ncCDQRs3TXIrkUAlBSnSt/P:lu8kDPYs/johHREkDoSFP
Malware Config
Signatures
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Rhadamanthys
Rhadamanthys is an info stealer written in C++ first seen in August 2022.
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Uses the VBS compiler for execution 1 TTPs
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Suspicious use of SetThreadContext 1 IoCs
Processes:
UpdatePack-KB971033-x64.exedescription pid process target process PID 1596 set thread context of 1552 1596 UpdatePack-KB971033-x64.exe vbc.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
UpdatePack-KB971033-x64.exedescription pid process target process PID 1596 wrote to memory of 1552 1596 UpdatePack-KB971033-x64.exe vbc.exe PID 1596 wrote to memory of 1552 1596 UpdatePack-KB971033-x64.exe vbc.exe PID 1596 wrote to memory of 1552 1596 UpdatePack-KB971033-x64.exe vbc.exe PID 1596 wrote to memory of 1552 1596 UpdatePack-KB971033-x64.exe vbc.exe PID 1596 wrote to memory of 1552 1596 UpdatePack-KB971033-x64.exe vbc.exe PID 1596 wrote to memory of 1552 1596 UpdatePack-KB971033-x64.exe vbc.exe PID 1596 wrote to memory of 1552 1596 UpdatePack-KB971033-x64.exe vbc.exe PID 1596 wrote to memory of 1552 1596 UpdatePack-KB971033-x64.exe vbc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\UpdatePack-KB971033-x64.exe"C:\Users\Admin\AppData\Local\Temp\UpdatePack-KB971033-x64.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"2⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/1552-136-0x0000000000DB0000-0x0000000000DE7000-memory.dmpFilesize
220KB
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memory/1596-133-0x0000000000F40000-0x0000000000FA8000-memory.dmpFilesize
416KB
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memory/1596-134-0x0000000005820000-0x0000000005830000-memory.dmpFilesize
64KB
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memory/1596-135-0x0000000005780000-0x00000000057E6000-memory.dmpFilesize
408KB
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memory/1596-138-0x0000000005820000-0x0000000005830000-memory.dmpFilesize
64KB